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Fig. 12

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Vector motion map for CTA 102. The contour maps corresponds to the stacked 15   GHz observation of CTA 102, and the arrows indicate the trajectories of each cross-identified component. The lowest contour level is drawn at 5 ×  the average off-source rms (4   mJy) and the contours increase in steps of 2. The numbers above are the apparent speed of the component.

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